TOPSHOT - Alliance of Doctors medical trade union member and Navalny's personal doctor Anastasia Vasilyeva is detained by police officers at the entrance to the penal colony N2, where Kremlin critic Alexei Navalny has been transferred to serve a two-and-a-half year prison term for violating parole, in the town of Pokrov on April 6, 2021. - The Alliance of Doctors medical trade union said it would organise a protest outside the penal colony in Pokrov on Tuesday, demanding Navalny receive adequate medical treatment. (Photo by Kirill KUDRYAVTSEV / AFP)